111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/* $NetBSD: un.h,v 1.46 2011/06/26 16:43:12 christos Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)un.h 8.3 (Berkeley) 2/19/95
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*/
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#ifndef _SYS_UN_H_
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#define _SYS_UN_H_
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#include <sys/ansi.h>
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#include <sys/featuretest.h>
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#include <sys/types.h>
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#ifndef sa_family_t
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typedef __sa_family_t sa_family_t;
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#define sa_family_t __sa_family_t
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#endif
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/*
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* Definitions for UNIX IPC domain.
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*/
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struct sockaddr_un {
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uint8_t sun_len; /* total sockaddr length */
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sa_family_t sun_family; /* AF_LOCAL */
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char sun_path[104]; /* path name (gag) */
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};
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/*
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* Socket options for UNIX IPC domain.
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*/
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#if defined(_NETBSD_SOURCE)
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#define LOCAL_CREDS 0x0001 /* pass credentials to receiver */
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#define LOCAL_CONNWAIT 0x0002 /* connects block until accepted */
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#define LOCAL_PEEREID 0x0003 /* get peer identification */
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#endif
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/*
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* Data automatically stored inside connect() for use by LOCAL_PEEREID
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*/
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struct unpcbid {
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pid_t unp_pid; /* process id */
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uid_t unp_euid; /* effective user id */
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gid_t unp_egid; /* effective group id */
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};
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#ifdef _KERNEL
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struct unpcb;
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struct socket;
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struct sockopt;
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int uipc_usrreq(struct socket *, int, struct mbuf *,
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struct mbuf *, struct mbuf *, struct lwp *);
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int uipc_ctloutput(int, struct socket *, struct sockopt *);
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void uipc_init (void);
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kmutex_t *uipc_dgramlock (void);
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kmutex_t *uipc_streamlock (void);
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kmutex_t *uipc_rawlock (void);
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int unp_attach (struct socket *);
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int unp_bind (struct socket *, struct mbuf *, struct lwp *);
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int unp_connect (struct socket *, struct mbuf *, struct lwp *);
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int unp_connect2 (struct socket *, struct socket *, int);
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void unp_detach (struct unpcb *);
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void unp_discard (struct file *);
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void unp_disconnect (struct unpcb *);
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bool unp_drop (struct unpcb *, int);
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void unp_shutdown (struct unpcb *);
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int unp_externalize (struct mbuf *, struct lwp *, int);
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int unp_internalize (struct mbuf **);
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void unp_dispose (struct mbuf *);
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int unp_output (struct mbuf *, struct mbuf *, struct unpcb *,
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struct lwp *);
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void unp_setaddr (struct socket *, struct mbuf *, bool);
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#else /* !_KERNEL */
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/* actual length of an initialized sockaddr_un */
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#if defined(_NETBSD_SOURCE)
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#define SUN_LEN(su) \
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(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
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#endif /* !_NetBSD_SOURCE */
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#endif /* _KERNEL */
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#endif /* !_SYS_UN_H_ */
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